Add first version
First version of C++ SDL API.
Refer README file for instructions how to generate API documentation.
Current version will find database via environment variables, thus RIC
DBaaS service must be up and running before starting the application
pod which uses SDL C++ API.
Change-Id: Ia3c95ac856b293827b680a9f6451a229f69f35f9
Signed-off-by: Rolf Badorek <rolf.badorek@nokia.com>
diff --git a/include/private/redis/asynchirediscommanddispatcher.hpp b/include/private/redis/asynchirediscommanddispatcher.hpp
new file mode 100644
index 0000000..7a466c9
--- /dev/null
+++ b/include/private/redis/asynchirediscommanddispatcher.hpp
@@ -0,0 +1,139 @@
+/*
+ Copyright (c) 2018-2019 Nokia.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+#ifndef SHAREDDATALAYER_REDIS_ASYNCHIREDISCOMMANDDISPATCHER_HPP_
+#define SHAREDDATALAYER_REDIS_ASYNCHIREDISCOMMANDDISPATCHER_HPP_
+
+#include "private/redis/asynccommanddispatcher.hpp"
+#include <string>
+#include <list>
+#include <vector>
+#include <map>
+#include <memory>
+#include <queue>
+#include "private/logger.hpp"
+#include "private/timer.hpp"
+
+extern "C"
+{
+ struct redisReply;
+ struct redisAsyncContext;
+}
+
+namespace shareddatalayer
+{
+ class Engine;
+
+ namespace redis
+ {
+ class HiredisSystem;
+ class HiredisEpollAdapter;
+ class Reply;
+
+ class AsyncHiredisCommandDispatcher: public AsyncCommandDispatcher
+ {
+ public:
+ AsyncHiredisCommandDispatcher(const AsyncHiredisCommandDispatcher&) = delete;
+
+ AsyncHiredisCommandDispatcher& operator = (const AsyncHiredisCommandDispatcher&) = delete;
+
+ AsyncHiredisCommandDispatcher(Engine& engine,
+ const std::string& address,
+ uint16_t port,
+ std::shared_ptr<ContentsBuilder> contentsBuilder,
+ bool usePermanentCommandCallbacks,
+ std::shared_ptr<Logger> logger);
+
+ AsyncHiredisCommandDispatcher(Engine& engine,
+ const std::string& address,
+ uint16_t port,
+ std::shared_ptr<ContentsBuilder> contentsBuilder,
+ bool usePermanentCommandCallbacks,
+ HiredisSystem& hiredisSystem,
+ std::shared_ptr<HiredisEpollAdapter> adapter,
+ std::shared_ptr<Logger> logger);
+
+ ~AsyncHiredisCommandDispatcher() override;
+
+ void waitConnectedAsync(const ConnectAck& connectAck) override;
+
+ void registerDisconnectCb(const DisconnectCb& disconnectCb) override;
+
+ void dispatchAsync(const CommandCb& commandCb, const AsyncConnection::Namespace& ns,
+ const Contents& contents) override;
+
+ void disableCommandCallbacks() override;
+
+ void setConnected();
+
+ void setDisconnected();
+
+ void handleReply(const CommandCb& commandCb,
+ const std::error_code& error,
+ const redisReply* rr);
+
+ bool isClientCallbacksEnabled() const;
+
+ void verifyConnection();
+
+ void disconnectHiredis();
+
+ void armConnectionRetryTimer(Timer::Duration duration,
+ std::function<void()> retryAction);
+
+ private:
+ enum class ServiceState
+ { DISCONNECTED,
+ CONNECTION_VERIFICATION,
+ CONNECTED
+ };
+
+ using Callback = std::function<void(const Reply&)>;
+
+ Engine& engine;
+ std::string address;
+ uint16_t port;
+ std::shared_ptr<ContentsBuilder> contentsBuilder;
+ bool usePermanentCommandCallbacks;
+ HiredisSystem& hiredisSystem;
+ std::shared_ptr<HiredisEpollAdapter> adapter;
+ redisAsyncContext* ac;
+ ConnectAck connectAck;
+ DisconnectCb disconnectCallback;
+ ServiceState serviceState;
+ std::list<CommandCb> cbs;
+ bool clientCallbacksEnabled;
+ Timer connectionRetryTimer;
+ Timer::Duration connectionRetryTimerDuration;
+ Timer::Duration connectionVerificationRetryTimerDuration;
+ std::shared_ptr<Logger> logger;
+
+ void connect();
+
+ bool isValidCb(const CommandCb& commandCb);
+
+ void removeCb(const CommandCb& commandCb);
+
+ void callCommandCbWithError(const CommandCb& commandCb, const std::error_code& error);
+
+ void dispatchAsync(const CommandCb& commandCb, const Contents& contents, bool checkConnectionState);
+
+ void verifyConnectionReply(const std::error_code& error, const redis::Reply& reply);
+ };
+ }
+}
+
+#endif